Analysis of the Effects of Vocal Conditioning Through Semi-occluded Vocal Tract Exercises in Choir Singers

Federal University of Health Science of Porto Alegre

Status: Unknown

Conditions: Voice

Treatments: Other: Staw phonation; Other: Finnish tube

Study type: Interventional

Funder types: Other

Identifiers

NCT03101449

50412515.9.0000.5345

Details and patient eligibility

About

This research aims to evaluate the effects of vocal conditioning through two semioccluded vocal tract exercises (SOVTE) in choir singers.

Full description

This research aims to evaluate the effects of vocal conditioning through two semioccluded vocal tract exercises (SOVTE) - Finnish tube and phonation in high strength straw - in vocal parameters, vocal extension profile and maximum phonation time for a period of four months in a group of singers. acoustic analysis will be performed of the average parameters of the fundamental frequency (F0), jitter, shimmer and glottal to Noise Excitation (GNE) by VoxMetria program and perceptual analysis through Consensus Assessment Perceptual Hearing the Voice Protocol (CAPE-V) three times: before the vocal conditioning, after the last meeting of the technical realization and a week after the vocal conditioning period.

Enrollment: 30 patients

Sex: All

Ages: 18 to 75 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• signing of the Informed Consent (IC).

Exclusion criteria

• voice disorders diagnosed by otolaryngologist physician;
• smokers;
• presence below 75% in the meetings.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

---

30 participants in 3 patient groups

Group 1

Experimental group

Description:

20 individuals of Coral UFCSPA without voice problems carry out the exercise with Finnish tube before choir practice once a week for a period of 14 weeks. The exercise will be carried out with blowing set to sound at regular frequency, with frequency variation and with the melody of "Happy Birthday"; each sequence will be held for 2 minutes with 1 minute interval between them.

Treatment:

Other: Finnish tube

Group 2

Experimental group

Description:

20 individuals of Coral UFCSPA without voice problems carry out the exercise straw phonation before choir practice once a week for a period of 14 weeks. The exercise will be carried out with blowing set to sound at regular frequency, with frequency variation and with the melody of "Happy Birthday"; each sequence will be held for 2 minutes with 1 minute interval between them.

Treatment:

Other: Staw phonation

Group 3

No Intervention group

Description:

10 individuals of Coral UFCSPA without voice problems. Untreated group.